Finding the Fourth Proportional to 5,185.86, 7,156.47 and 2,827.99

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.86 : 7,156.47 = 2,827.99 : x
2. Step 2: Convert to fraction form
   5,185.86/7,156.47 = 2,827.99/x
3. Step 3: Cross multiply
   5,185.86x = 7,156.47 × 2,827.99
4. Step 4: Simplify right side
   5,185.86x = 20,238,425.60
5. Step 5: Solve for x
   x = 20,238,425.60/5,185.86
6. Step 6: Final answer
   x = 3,902.62